This article pertains to the beta elements of Sonic Advance.
Unused graphics[]
| Image | Description | ||||
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Unused frames of all the characters flipping upside-down, which were possibly planned to be used when gravity gets reversed on both Egg Rocket Zone and Cosmic Angel Zone. | ||||
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Unused frames of Tails meant for the real ending of X-Zone where he sees Sonic transforming into his Super Form to pursue Eggman. | ||||
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Three different color pallets of "To be continued". |
Unused music[]
| Clip | Description |
|---|---|
| An alternate invincibility tune, which was later used in Sonic Advance 2 and Sonic Advance 3. |
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There was a short promotional teaser of Sonic Advance presented at E3 2001,[1] where it was announced that a Sonic game was under development for the Nintendo DS. The teaser showcased a short clip of Sonic running through an early version of the Neo Green Hill Zone.
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Sega logo Sonic Team logo The Sonic's 10th anniversary logo showcasing the early project name, Sonic The Hedgehog Advance, which mentions the game is being developed by Dimps The logo fading to black Sonic in the early version of Neo Green Hill Zone. The background is different and has less detailed clouds A wooden fence behind Sonic and small rocks on the opposite side of the road, which are not present in the final game. The bushes in the foreground also do not have red flowers As Sonic starts running, palmtrees appear in both the foreground and the background. In the final game, the palmtrees are taller and appear only in the background Sonic gives a peace sign Sonic runs off screen "Coming soon" |
Early build[]
Early HUD icons[]
A comparison of the early (left) and final (right) HUD sprites.
Early screenshots featured on many different websites and in various magazines share a common element: the early HUD in the upper left corner of the screen showcases a different Ring icon compared to the one in the final game. Following image gallery shows these different HUD sprites without any notable differences:
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Early debug coordinates[]
Some screenshots show hexadecimal codes, which may be present in the game's debug coordinates, much like in early main titles for the Sega Genesis. More screenshots with debug coordinates include:
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Zones[]
There are many design changes that the Zones had before their final iterations.
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 Clouds in Neo Green Hill Zone's background has a different formation and the sea is different. The sign and lightpost seen on the hill are not featured in the final game.  The castle in Casino Paradise Zone is a lot duller than in the final game, and has a different shape. In the released game it is much more colorful.  The castle in Casino Paradise Zone is in the center of this screenshot, whereas in the final game it always remains in the top left.  Egg Rocket Zone has some slightly different foreground tiles.  Egg Rocket Zone is different, having more rounded tubes with less detail, but the background has more detail. |
Special Stages[]
Early Special Stage.
The screenshot on the right presents a different-looking Special Stage, with the tubular tunnel having basic tiles as opposed to the detailed ones used in the final game. All the sprites for the Rings and Bombs are also completely different.
References[]
- ↑ Promotional Teaser of Sonic Advance. Secrets of Sonic Team. Retrieved on 13 December 2015.
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